Isothermal Chart c.1859 Gov. I. Stevens map American West weather patternsBrian DiMambro- Antiquarian Books, Maps & Prints
Isothermal Chart of the Region North of the 36th Parallel &c &c between the Atlantic & Pacific Oceans, Compiled under the Direction of Isaac I. Stevens.
(early weather map- scientific cartography in America).
Issued c.1859, NY by Sarony, Major & Knapp for U.S. Gov report.
Beautiful 19th century antique map, with lithographed color.
Fascinating assortment of mountains seen in the west, many early forts identified.
Light uniform paper age toning, original fold lines, remaining clean - a pleasing and well preserved visual example. Some paper wrinkling at top left corner.
Original fold lines as issued.
Sheet measures c. 15 7/8" x 29 1/4".
Printed area measures c. 13 1/4" x 27 1/2".
Tooley's Dictionary of Mapmakers, v. 4.